Solve.A small business owner made $30,000 the first year he owned his store and made an additional 
over the previous year in each subsequent year. Find how much he made during his fourth year of business. Find his total earnings during the first four years. (Round to the nearest cent, if necessary.)
A. $37,791.36; $135,183.36
B. $174,960.00; $356,160.00
C. $15.36; $32,607.36
D. $314,928.00; $671,088.00
Answer: A
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Solve the equation.- 
= -9
A. {12} B. {-27} C. {-12} D. {27}
Use the vertical line test to determine whether or not the graph is a graph of a function.
A. not a function B. function
Determine the intervals on which the function is increasing, decreasing, and constant.
A. Increasing on (-?, 4); Decreasing on (-4, ?); Constant on (4, ?) B. Increasing on (-?, 4); Decreasing on (-?, -4); Constant on (4, ?) C. Increasing on (4, ?); Decreasing on (-4, ?); Constant on (-4, 4) D. Increasing on (4, ?); Decreasing on (-?, -4); Constant on (-4, 4)
Find the zeros of the polynomial function and state the multiplicity of each.f(x) = 3(x + 8)2(x - 8)3
A. -8, multiplicity 2; 8, multiplicity 3 B. 4, multiplicity 1; 8, multiplicity 1; -8, multiplicity 1 C. -8, multiplicity 3; 8, multiplicity 2 D. 4, multiplicity 1; -8, multiplicity 3; 8, multiplicity 3